/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 

#include "ash_memory_utils.h"

#include <string>

#include "hiview_logger.h"
#include "string_ex.h"
#include "string_util.h"

namespace OHOS {
namespace HiviewDFX {
namespace {
DEFINE_LOG_TAG("ashMemUtils");
}

sptr<Ashmem> AshMemoryUtils::GetAshmem(const std::string& ashName, const uint32_t ashSize)
{
    if (ashSize <= 0) {
        HIVIEW_LOGE("param invalid.");
        return nullptr;
    }
    auto ashmem = Ashmem::CreateAshmem(ashName.c_str(), ashSize);
    if (ashmem == nullptr) {
        HIVIEW_LOGE("ashmem init failed.");
        return ashmem;
    }
    if (!ashmem->MapReadAndWriteAshmem()) {
        HIVIEW_LOGE("ashmem map failed.");
        return nullptr;
    }
    HIVIEW_LOGI("ashmem init succeed.");
    return ashmem;
}
} // namespace HiviewDFX
} // namespace OHOS
